<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="7">
          <!-- 搜索与添加 -->
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表 -->
      <el-table :data="usersList" style="width: 100%" border stripe>
        <el-table-column type="index" label="#">
        </el-table-column>
        <el-table-column prop="username" label="姓名">
        </el-table-column>
        <el-table-column prop="email" label="邮箱">
        </el-table-column>
        <el-table-column prop="mobile" label="电话">
        </el-table-column>
        <el-table-column prop="role_name" label="角色">
        </el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStareChanged(scope.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <!-- 修改 -->
            <el-button type="primary" icon="el-icon-edit" circle size="mini" @click="showEditDialog(scope.row.id)">
            </el-button>
            <!-- 删除 -->
            <el-button type="danger" icon="el-icon-delete" circle size="mini" @click="deleteUser(scope.row.id)">
            </el-button>
            <!-- 分陪角色 -->
            <el-tooltip class="item" effect="dark" content="分配角色" placement="top" :enterable="false">
              <el-button type="warning" icon="el-icon-setting" circle size="mini" @click="setRole(scope.row)">
              </el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区 -->
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenumr" :page-sizes="[1,2,5,10]" :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper" :total="total">
      </el-pagination>
    </el-card>
    <!-- 添加用户 -->
    <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
      <el-form :model="addForm" :rules="addFormRules" ref="addFromRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部安妮 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户对话框 -->
    <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%">
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px" @close="editDialogClose">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 分配角色 -->
    <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @colse="closeRoleDialog">
      <div>
        <p>当前用户：{{userInfo.username}}</p>
        <p>当前角色：{{userInfo.role_name}}</p>
        <p>分配角色:
          <template>
            <el-select v-model="selectRoleId" placeholder="请选择">
              <el-option v-for="item in roleList" :key="item.id" :label="item.roleName" :value="item.id">
              </el-option>
            </el-select>
          </template></p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRole">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  name: 'Users',
  data () {
    // 检查邮箱规则
    var checkEmail = (rule, value, cb) => {
      const regEmail = /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/
      if (regEmail.test(value)) { return cb() }
      cb(new Error('请输入合法邮箱'))
    }
    // 检查手机规则
    var checkMobile = (rule, value, cb) => {
      const regMobile = /^1[3|4|5|7|8][0-9]{9}$/
      if (regMobile.test(value)) { return cb() }
      cb(new Error('请输入正确手机号'))
    }
    return {
      // 获取用户列表参数
      queryInfo: {
        // 搜索
        query: '',
        // 当前页数
        pagenum: 1,
        // 当前每页条数
        pagesize: 2

      },
      // 用户列表
      usersList: [],
      total: 0,
      // 控制添加用户的对话框
      addDialogVisible: false,
      // 添加用户
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''

      },
      // 添加表单验证
      addFormRules: {
        username: [{ required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }],
        password: [{ required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15个字符', trigger: 'blur' }],
        email: [{ required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }],
        mobile: [{ required: true, message: '请输入密码', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }]
      },
      // 修改用户框的显示与隐藏
      editDialogVisible: false,
      // 修改用户数据
      editForm: {},
      // 修改用户，用户验证规则
      editFormRules: {
        email: [{ required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }],
        mobile: [{ required: true, message: '请输入密码', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }]
      },
      setRoleDialogVisible: false,
      userInfo: '',
      roleList: [],
      selectRoleId: ''
    }
  },
  created () {
    this.getUserList()
  },
  methods: {
    async getUserList () {
      const { data: res } = await this.$http.get('users', { params: this.queryInfo })
      // console.log(res)
      if (res.meta.status !== 200) return this.$message.error('用户列表获取失败')
      this.usersList = res.data.users
      this.total = res.data.total
    },
    // 监听页面pagesize改变
    handleSizeChange (newSize) {
      // console.log(newSize)
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 监听页码改变
    handleCurrentChange (newPage) {
      // console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 用户状态改变
    async userStareChanged (userInfo) {
      const { data: res } = await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`)
      if (res.meta.status !== 200) {
        userInfo.mg_state = !userInfo.mg_state
        return this.$message.error('状态修改失败')
      }
      this.$message.success('更新状态成功')
    },
    // 监听添加用户框关闭
    addDialogClosed () {
      this.$refs.addFromRef.resetFields()
    },
    // 点击添加用户
    addUser () {
      this.$refs.addFromRef.validate(async valid => {
        // console.log(valid)
        if (!valid) return 0
        // 发起添加用户的网络请求
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status !== 201) return this.$message.error('添加用户失败')
        this.$message.success('添加用户成功')
        this.addDialogVisible = false
        // 重新获取用户列表
        this.getUserList()
      })
    },
    // 展示编辑用户对话框
    async showEditDialog (id) {
      console.log(id)
      // 根据id查询用户
      const { data: res } = await this.$http.get('users/' + id)
      // console.log(res)
      if (res.meta.status !== 200) return this.$message.error('用户查询失败')
      this.editForm = res.data
      console.log(this.editForm)
      this.editDialogVisible = true
    },
    // 编辑用户关闭
    editDialogClose () {
      this.$refs.editFormRef.resetFields()
    },
    // 编辑用户提交
    editUser () {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return 0
        const { data: res } = await this.$http.put(`users/${this.editForm.id}`, { mobile: this.editForm.mobile, email: this.editForm.email })
        if (res.meta.status !== 200) return this.$message.error('用户更新失败')
        this.$message.success('用户更新成功')
        // 关闭Dialog
        this.editDialogVisible = false
        // 请求用户数据
        this.getUserList()
      })
    },
    // 是否确定删除
    // 删除用户
    async deleteUser (id) {
      // 弹窗
      const confirmResult = await this.$confirm('此操作将永久删除用户, 是否继续?', '警告', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(error => error)
      // 用户确认删除，返回confirm字符串,取消返回cancel
      if (confirmResult !== 'confirm') {
        return this.$message.info('取消了删除')
      }
      const { data: res } = await this.$http.delete(`users/${id}`)
      if (res.meta.status !== 200) return this.$message.error('用户删除失败')
      this.$message.success('用户删除成功')
      // 重新获取用户
      this.getUserList()
    },
    // 展示分配角色对话框
    async setRole (userInfo) {
      this.userInfo = userInfo
      // 获取所有角色列表
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) return this.$message.error('获取角色列表失败')

      this.roleList = res.data
      this.setRoleDialogVisible = true
    },
    async saveRole () {
      if (!this.saveRole) return this.$message.error('请选择分配的角色')
      const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, { rid: this.selectRoleId })
      if (res.meta.status !== 200) return this.$message.error('更新失败')
      this.$message.success('角色分配成功')
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    closeRoleDialog () {
      this.selectRoleId = ''
      this.userInfo = ''
    }
  }
}
</script>

<style lang="less" scoped>

</style>
